write my assignment 11052

Please help answer the following questions for my statistics class!

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QUESTION 21 4 squirrels were iound to have an average weight of 9.3 ounces with a sample standard deviation is 1 .1. Find the 95% confidence interval of the true mean weight.int: Since the e uletien standard deviation is unknown use t-distributien O 6.6<y<12.0IICZ 4.6 <;.r < 14.0CI 8.1<,u<10.5 CIP’B <p<11 QUESTION 22 An average computer mouse inspector can inspect 45 mice per hour with a population standard deviation of 14 mice per hour. The 44- computer mice inspectors at aparticular factory can only inspect 38 mice per hour. Does the company have reason to believe that these inspectors are slower than average at a = 0.10? (3. Yes, because the test value —3.32 falls in the noncritical region.(‘3. No. because the test value —1 .91 falls in the critical region.6:. Yes, because the test value —3.32 falls in the critical region.(3:. No. because the test value —1 .91 falls in the noncritice] region.

 
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